<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
    <meta name="description" content="Limit terrain and imagery to a cartographic Rectangle area.">
    <meta name="cesium-sandcastle-labels" content="Showcases">
    <title>Cesium Demo</title>
    <script type="text/javascript" src="../Sandcastle-header.js"></script>
    <script type="text/javascript" src="../../../Build/CesiumUnminified/Cesium.js" nomodule></script>
    <script type="module" src="../load-cesium-es6.js"></script>
</head>
<body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html">
<style>
    @import url(../templates/bucket.css);
</style>
<div id="cesiumContainer" class="fullSize"></div>
<div id="loadingOverlay"><h1>Loading...</h1></div>
<div id="toolbar"></div>
<script id="cesium_sandcastle_script">
function startup(Cesium) {
    'use strict';
//Sandcastle_Begin
var viewer = new Cesium.Viewer('cesiumContainer', {
    terrainProvider: Cesium.createWorldTerrain()
});

// Tropics of Cancer and Capricorn
var coffeeBeltRectangle = Cesium.Rectangle.fromDegrees(-180.0, -23.43687, 180.0, 23.43687);

viewer.scene.globe.cartographicLimitRectangle = coffeeBeltRectangle;
viewer.scene.globe.showSkirts = false;
viewer.scene.skyAtmosphere.show = false;

// Add rectangles to show bounds
var rectangles = [];

for (var i = 0; i < 10; i++) {
    rectangles.push(viewer.entities.add({
        rectangle : {
            coordinates : coffeeBeltRectangle,
            material : Cesium.Color.WHITE.withAlpha(0.0),
            height : i * 5000.0,
            outline : true,
            outlineWidth : 4.0,
            outlineColor : Cesium.Color.WHITE
        }
    }));
}

Sandcastle.addToggleButton('Limit Enabled', true, function(checked) {
    if (checked) {
        viewer.scene.globe.cartographicLimitRectangle = coffeeBeltRectangle;
    } else {
        viewer.scene.globe.cartographicLimitRectangle = undefined;
    }
});

Sandcastle.addToggleButton('Show Bounds', true, function(checked) {
    var rectanglesLength = rectangles.length;
    for (var i = 0; i < rectanglesLength; i++) {
        var rectangleEntity = rectangles[i];
        rectangleEntity.show = checked;
    }
});
//Sandcastle_End
    Sandcastle.finishedLoading();
}
if (typeof Cesium !== 'undefined') {
    window.startupCalled = true;
    startup(Cesium);
}
</script>
</body>
</html>
